Knot DNS before 1.5.2 allows remote attackers to cause a denial of service (application crash) via a crafted DNS message.
Conclusion & alert: CVE-2014-0486 is rated Moderate Risk (57.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.33%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-06-24 | 1.59% | 1.33% | -0.25% |
| 2 | 2025-04-14 | 1.82% | 1.59% | -0.23% |
| 3 | 2025-03-30 | — | 1.82% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.0 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2014-0486 not yet assigned priority: Debian including 1 source packages (knot), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2014-0486 |
ubuntu
|
medium | CVE-2014-0486 medium priority: Ubuntu including 1 source packages (knot), 12 status rows across 12 suites (artful, bionic, lucid, precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): ignored 6, DNE 3, not-affected 2, released 1. | https://ubuntu.com/security/CVE-2014-0486 |
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/70097 | Third Party Advisory VDB Entry |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/96185 | Third Party Advisory VDB Entry |
| https://gitlab.labs.nic.cz/knot/knot-dns/issues/294 | Third Party Advisory |